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Li <br /> 110 Second Avenue South,ND7,Pacheco,CA 94553 <br /> 4 McCAMPBELL ANALYTICAL INC. Telephone:510-798-1620 Fax :510-798-1622 <br /> http:/hvww.mccatnpbelI-con E-mail: tnain@mccampbell.com <br /> Advanced GeoEnvironmental Client Project 1D:El~Mitchler Date Sampled: 08/20/97 <br /> 1803 West March Lane, Ste A Date Received: 08/22/97 <br /> Stockton, CA 95207 Client Contact: Bill Little Date Extracted: 08/22-80125197 <br /> Client P.O: Date Analyzed: 08/25/97 <br /> Gasoline Range(C6-C12) Volatile Hydrocarbons as Gasoline*,Nvith Methyl tert-Butyl Ether* &BTEX* <br /> LPA methods 5030,modified 8015,and 8020 or 602;California RVJQCB(SF Bay Region)method GCFiD(5030) <br /> + Ethylben- %Recovery <br /> Lab 1D Client 1D Matrix TPH(g)MTBE Benzene Toluene Zene Xylenes Surrogate <br /> 80082 PBI-H2O W ND,i ND ND ND ND ND 105 <br /> 80083 PB2-H2O W ND,i ND ND ND ND ND 104 <br /> 80084 PB3-H2O W ND,i ND ND ND ND ND 104 <br /> 80085 PB1-25 S ND ND ND ND ND ND 96 <br /> 80086 PB2-25 S ND ND ND ND ND ND 95 <br /> 80087 P133-25 S ND ND ND ND ND ND 96 <br /> Reporting Limit unless W 50 ug/L 5.0 0.5 0.5 0.5 0.5 <br /> otherwise stated;ND <br /> means not detected above <br /> the reporting limit S LO mg/kg 0.05 0.005 0.005 0.005 0.005 <br /> *water and vapor samples are reported in ug/L,wipe samples in ug/wipe,soil and sludge samples in mg/kg,and all TCLP and SDLP extracts <br /> in ug/1- <br /> cluttered chromatogram;sample peak coelutes with surrogate peak <br /> 'The following descriptions of the TPH chromatogram are cursory in nature and McCampbell Analytical is not responsible for their <br /> interpretation: a) unmodified or weakiv modified gasoline is significant; b) heavier gasoline range compounds are significant(aged <br /> gasoline?); c) lighter gasoline range compounds (the most mobile fraction) are significant; d) gasoline range compounds having broad <br /> chromatographic peaks are significant;biologically altered gasoline?;e)TPH pattern that does not appear to be derived from gasoline(?);f) <br /> one to a few isolated peaks present;g)strongly aged gasoline or diesel range compounds are significant;h)lighter than water immiscible <br /> sheen is present;i)liquid sample that contains greater than--5 vol."/o scdi :j)no recognizable pattern. <br /> 4 <br /> DHS Certification No. 1644 Edward Hamilton,Lab Director <br />